Revert of Pass time constant to bwe smoothing filter.

webrtc/modules/congestion_controller/transport_feedback_adapter.cc

Index: webrtc/modules/congestion_controller/transport_feedback_adapter.cc
diff --git a/webrtc/modules/congestion_controller/transport_feedback_adapter.cc b/webrtc/modules/congestion_controller/transport_feedback_adapter.cc
index 7756fee365da2dd872be36bf028e525480b5abe3..46639067c283cf0667e38957aaff29476d2414cb 100644
--- a/webrtc/modules/congestion_controller/transport_feedback_adapter.cc
+++ b/webrtc/modules/congestion_controller/transport_feedback_adapter.cc
@@ -71,11 +71,6 @@
 void TransportFeedbackAdapter::SetMinBitrate(int min_bitrate_bps) {
   rtc::CritScope cs(&bwe_lock_);
   delay_based_bwe_->SetMinBitrate(min_bitrate_bps);
-}
-
-int64_t TransportFeedbackAdapter::GetProbingIntervalMs() const {
-  rtc::CritScope cs(&bwe_lock_);
-  return delay_based_bwe_->GetProbingIntervalMs();
 }
 
 std::vector<PacketInfo> TransportFeedbackAdapter::GetPacketFeedbackVector(